Light- and Neutron-Optical Properties of Holographic Transmission Gratings from Polymer-Ionic Liquid Composites with Submicron Grating Spacing

被引：5

作者：

Flauger, Peter ^{[1
]}

Ellabban, Mostafa A. ^{[2
,3
]}

Glavan, Gasper ^{[4
]}

Klepp, Juergen ^{[1
]}

Pruner, Christian ^{[5
]}

Jenke, Tobias ^{[6
]}

Geltenbort, Peter ^{[6
]}

Fally, Martin ^{[1
]}

机构：

[1] Univ Vienna, Fac Phys, Phys Funct Mat, Boltzmanngasse 5, A-1090 Vienna, Austria

[2] Tanta Univ, Fac Sci, Phys Dept, Tanta 31527, Egypt

[3] Taibah Univ, Fac Sci, Phys Dept, Medina 42353, Saudi Arabia

[4] Univ Ljubljana, Fac Math & Phys, Jadranska 19, SI-1000 Ljubljana, Slovenia

[5] Univ Salzburg, Dept Chem & Phys Mat, A-5020 Salzburg, Austria

[6] Inst Laue Langevin, 71 Ave Martyrs CS 20156, F-38042 Grenoble 9, France

来源：

POLYMERS | 2019年 / 11卷 / 09期

关键词：

polymer composites; ionic liquids; diffraction gratings; neutron optics; thick gratings; holography; REGIME DIFFRACTION; CRITERIA;

D O I：

10.3390/polym11091459

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

We investigate the applicability of polymer-ionic liquid composites as optical elements for light, as well as for slow neutrons. The gratings are recorded using two-beam mixing and are characterized experimentally based on their diffraction properties. We produced a set of samples differing in their thickness, ranging from 10 mu m-100 mu m. We demonstrate that it is possible to prepare transmission gratings with a lattice constant of Lambda = 480 nm, resulting in thick gratings for light, as well as neutrons. The presented samples show low optical losses in the Vis-UV spectrum and exhibit refractive index modulations of about 10(-3) at lambda = 543 nm. However, further improvements have to be made to obtain efficient neutron optical components.

引用

页数：11

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